Informational stop sign



FIG. 1 is a front view of an informational stop sign, showing my new design; and,

FIG. 2 is a front view showing a second embodiment thereof.

The shade lines in FIG. 2 represent the color green.

The rear surface and thickness of the informational stop sign form no part of the claim. 

The ornamental design for an informational stop sign, as shown and described. 